Obesity in childhood, teenage and adults is considered an epidemic in the United States. The advancement in technology created rapid changes in the eating habits of individuals globally. However, as countries become more developed in terms of economic status, the greater the availability and affordability of innumerable choices of food that an individual can indulge in. The issue of addressing obesity has been specifically identified as a national agenda in Healthy People 2010. Its relevance and priority in the nation’s thrust to monitor this chronic illness and seek ways to address it are seen in the following objectives, to wit:“The objectives selected to measure progress among children, adolescents, and adults for this Leading Health Indicator are presented below. These are only indicators and do not represent all the nutrition and overweight objectives included in Healthy People 2010.It is the objective of this essay to determine relevant factors affecting obesity. Age, lifestyle, culture, religion and external environmental factors all contribute to one’s vulnerability to obesity. It plans to determine the agencies (both local and state) tasked with addressing and managing this issue. The models and systems used to determine and analyze obesity would be proffered including sources of data such as vital statistics, managed care data, and disease registries. In addition, the community and targeted population that the identified objective addresses would be determined. Finally, the epidemiologic surveillance systems and tools used for monitoring and addressing obesity would be examined and analyzed.Obesity is defined as a chronic condition of excess fat accumulation in the body. (Medicine.Net, 2009, 1). Medically, obesity can be defined in relation to the body mass index (BMI). The body mass index “determines whether a person’s weight is appropriate for height by dividing the weight in kilograms by the height in meters squared.” (Delaune Ladner, 2006, 1394)